Pinout Description

Pinout description top side

Below is a list of all connectors featured on the carrier board.

Please reference the socket pin number to 10.2 Pin to GPIO reference sheet for Xavier-NX/Nano/TX2-NX. With the socket pin number, you can find out the corresponding GPIO number for your module.

J2 - POWER PORT

Molex Micro Fit 3.0 (alternative power input)

J4 - Ethernet

RJ45

Standard pinout.

J5 - MCU UART

JST-GH 1.25 m

Pin	Description	Socket pin	Note
1	3.3V
2	UART_TX	Safety MCU pin 39	3.3V, MCU user UART to connect to LTE module
3	UART_RX	Safety MCU pin 40	3.3V, MCU user UART to connect to LTE module
4	GND

J6 - CAN1

JST-GH 1.25 m

Pin	Description	Socket pin	Note
1	5V		max 500mA (with current limiting switch)
2	CAN_H	B61	2.5V center voltage, with CAN transceiver
3	CAN_L	H61	2.5V center voltage, with CAN transceiver
4	GND

J7 - I2C

Pico blade 1.25 m

Pin	Description	Socket pin	Note
1	3.3V
2	SCL	J61	3.3V, open drain
3	SDA	K61	3.3V, open drain
4	GND

J8 - FAN

Pico blade 1.25 mm

Pin	Description	Socket pin	Note
1	GND
2	12V		1A
3	TACH	E54	1.8V input 100K pull up to 1.8V, fan speed tacho
4	PWM	K62	open drain output with 10k pullup to 12V

For the use of a 5V fan, there is an option to resolder a component appropriately.

Graphical user interface, diagram, schematic Description automatically generated

J10 - Debug

JST-GH 1.25 mm

Pin	Description	Socket pin	Note
1	3.3V
2	UART3_TX	H62	3.3V, AGX Xavier debug console transmit
3	UART3_RX	K60	3.3V, AGX Xavier debug console receive
4	GPIO13_OUT	G7	3.3V, G7 (AGX Xavier ball), output from Jetson
5	GPIO4_IN	B59	3.3V, B59 (AGX Xavier ball), input to Jetson
6	GND

J11 - HDMI

Standard pinout, connected to DP-2

J12 - CAN0

JST-GH 1.25 mm

Pin	Description	Socket pin	Note
1	5V		max 500mA (with current limiting switch)
2	CAN0_H	F58	2.5V center voltage, with CAN transceiver
3	CAN0_L	D59	2.5V center voltage, with CAN transceiver
4	GND

J14 - MCU

JST-GH 1.25 mm

Pin	Description	Socket pin	Note
1	3.3V
2	MCU_TX		3.3V, MCU console debug port, transmit, 115200 baud, 8N1
3	MCU_RX		3.3V, MCU console debug port, receive, 115200 baud, 8N1
4	SWCLK		ST-Link programming interface of MCU
5	SWDIO		ST-Link programming interface of MCU
6	GND

With the AI model of the X221, you have access to the safety MCU features. Please contact Auvidea for more information.

The basic MCU of the non AI models only handle power up functionality.

J15 - 2x USB 3.1

Standard pinout (type A).

10Gb/s.

Power can be Enabled/Disabled with GPIO22

Nexus-3815RFY

Pin	Description	Socket pin	Note
1	Vin		1A, 5V
2	USB3_D_N	G10
3	USB3_D_P	G11
4	GND
5	UPHY_RX11_N	D13
6	UPHY_RX11_P	D12
7	GND
8	UPHY_TX11_N	H13
9	UPHY_TX11_P	H12
10	Vin		1A, 5V
11	USB1_D_N	C10
12	USB1_D_P	C11
13	GND
14	UPHY_RX6_N	B17
15	UPHY_RX6_P	B16
16	GND
17	UPHY_TX6_N	K16
18	UPHY_TX6_P	K17
19	GND
20	GND
21	GND
22	GND

J17 - MICRO USB

Standard pinout.

Host and device mode supported.

Powered by power limiting switch with 500mA.

J18 – Wi-Fi

JST-GH 1.25 mm

Pin	Description	Socket pin	Note
1	3.3V
2	WPS1		Connects to pin 6 of LM823-Module 1
3	WPS2		Connects to pin 6 of LM823-Module 2
4	GND

Prepared for LM823 3.3V modules.

Wi-Fi options can be found in the Wi-Fi Appendix.

Wi-Fi bays for modules are only supported on the AI version and will not work with the standard configuration as the necessary components are not present.

For options including LM823 modules solder on, please contact Auvidea.

J19 - SUPER CAP UPS

For optional super cap add-on board.

This will support a graceful power down in case of a power outage.

J20 - PCIEx4/x1/USB/UART/I2C/GPIO

DF17(3.0)-80DS-0.5V (57)

Extension connector for variety of extension boards.

Pin	Description	Socket pin	Note
1	5V
2	5V
3	5V
4	5V
5	3.3V
6	VCC_SRC		12V
7	3.3V
8	VCC_SRC		12V
9	1.8V
10	VCC_SRC		12V
11	TRX-0_P	A56	SPI1_MISO
12	CAN1_STBY	B62
13	TRX-0_N	D55	SPI1_MOSI
14	NC
15	TRX-1_P	J57	SPI1_SCK
16	NC
17	TRX-1_N	E55	SPI1_CS0
18	UART5_RTS	K58	3.3V
19	NC
20	UART5_RX	H58	3.3V
21	NC
22	UART5_TX	J58	3.3V
23	NC
24	PEX_L0_RST_N	D10
25	NC
26
27	PEX_WAKE_N	A8
28	GND
29	PEX_L1_RST_N	B9
30	PEX_CLK0_N	E14
31	I2C_SCL_GP5_3.3
32	PEX_CLK0_P	E15
33	I2C_SDA_GP5_3.3
34	GND
35	GND
36	PEX_CLK1_N	F17
37
38	PEX_CLK1_P	F16
39	LTE_INT		Connected to Safety MCU
40	GND
41	GND
42	UPHY_TX2_N	K20
43	UART_RXD		3.3V, UART to LTE module (from Safety MCU)
44	UPHY_TX2 P	K21
45	UART_TXD		3.3V, UART to LTE module (from Safety MCU)
46	GND
47	GND
48	UPHY_TX3_N	H21
49	UPHY_RX2_N	B20
50	UPHY_TX3_P	H20
51	UPHY_RX2_P	B21
52	GND
53	GND
54	UPHY_TX4_N	N19
55	UPHY_RX3_N	D21
56	UPHY_TX4_P	N18
57	UPHY_RX3_P	D20
58	GND
59	GND
60	UPHY_TX5_N	G18
61	UPHY_RX0_N	A23	Standard is PCIEx1, optional USB3.0, contact Auvidea
62	UPHY_TX5_P	G19
63	UPHY_RX0_P	A22	Standard is PCIEx1, optional USB3.0, contact Auvidea
64	GND
65	GND
66	UPHY_RX5_N	C18
67	UPHY_TX0_N	J23	Standard is PCIEx1, optional USB3.0, contact Auvidea
68	UPHY_RX_P	C19
69	UPHY_TX0_P	J22	Standard is PCIEx1, optional USB3.0, contact Auvidea
70	GND
71	GND
72	D2_N
73	UPHY RX4_N	A19
74	D2_P
75	UPHY_RX4_P	A18
76	NC
77	GND
78	NC
79	GPIO_EXP0_INT		connected to J28 pin 74
80	NC

J21 - POWER BUTTON

J22 - ETHERNET

Standard pinout.

J23 - I2S/I2C

JST-GH 1.25 m

Pin	Description	Socket pin	Note
1	3.3V
2	I2S3_DIN	J59	1.8V
3	I2S3_DOUT	K59	1.8V
4	I2S3_FS	C60	1.8V
5	I2S3_SCLK	C59	1.8V
6	I2C_SCL_GP5_3.3	A53	3.3V, also connected to J28 (93)
7	I2C_SDA_GP5_3.3	C53	3.3V, also connected to J28 (95)
8	GND		GND

J25 - FORCE RECOVERY BUTTON

J26 - RESET BUTTON

J27 - MICRO SD-CARD/UFS SLOT

Standard pinout

J28 - CSI-2

LSHM-150-02.5-L-DV-A-S-K-TR

Pin	Description	Socket pin	Note
1	GND
2	VCC SRC		12V
3	CSI_3_CLK_N	F45
4	VCC SRC		12V
5	CSI_3_CLK_P	F46
6	VCC SRC		12V
7	GND
8	VCC SRC		12V
9	CSI_3_D1_N	G45
10	VCC SRC		12V
11	CSI_3_D1_P	G44
12	VDD_5V
13	GND
14	VDD_5V
15	CSI_3_D0_N	E44
16	VDD_5V
17	CSI_3_D0_P	E45
18	VDD_3.3V
19	GND
20	VDD_3.3V
21	CSI_2_CLK_N	B42
22	VDD_3.3V
23	CSI_2_CLK_P	B43
24	I2C_GP4_CLK	J61	1.8V
25	GND
26	I2C_GP4_DAT	K61	1.8V
27	CSI_2_D1_N	C41
28	UART1_TX	K53
29	CSI_2_D1_N	C41
30	UART1_RX	K54
31	GND
32	GND
33	CSI_2_D0_N	A42
34	CSI_5_D1_P	D46
35	CSI_2_D0_P	A41
36	CSI_5_D1_N	D45
37	GND
38	GND
39	CSI_1_CLK_N	H42
40	CSI_5_D0_P	D42
41	CSI_1_CLK_P	H43
42	CSI_5_D0_N	D43
43	GND
44	GND
45	CSI_1_D1_N	J42
46	CSI_5_CLK_P	C44
47	CSI_1_D1_P	J41
48	CSI_5_CLK_N	C45
49	GND
50	GND
51	CSI_1_D0_N	G42
52	CSI_4_D0_P	G48
53	CSI_1_D0_N	G42
54	CSI_4_D0_N	G47
55	GND
56	VDD_1V8		VDD_1V8
57	CSI_0_CLK_N	F42
58	CSI_4_D1_P	E47
59	CSI_0_CLK_P	F43
60	CSI_4_D1_N	E48
61	GND
62	GND
63	CSI_0_D1_N	E38
64	CSI_4_CLK_P	F48
65	CSI_0_D1_P	E39
66	CSI_4_CLK_N	F49
67	GND
68	GND
69	CSI_0_D0_N	E41
70	NC
71	CSI_0_D0_P	E42
72	NC
73	GND
74	GPIO_EXP0_INT		Connected to J20 pin 79
75	CSI_7_CLK_N	B46
76	GND
77	CSI_7_CLK_P	B45
78	I2C_GP3_CLK_PEX_LVS	F53	3.3V
79	GND
80	I2C_GP3_DAT_PEX_LVS	E53	3.3V
81	CSI_7_D1_N	C48
82	GND
83	CSI_7_D1_P	C47
84	CSI_6_CLK_N	J45
85	GND
86	CSI_6_CLK_P	J44
87	CSI_7_D0_N	A45
88	GND
89	CSI_7_D0_P	A44
90	CSI_6_D1_N	H45
91	GND
92	CSI_6_D1_P	H46
93	I2C_SCL_GP5_3.3	A53	3.3V, also connected to J23 (6)
94	GND
95	I2C_SDA_GP5_3.3	C53	3.3V, also connected to J23 (7)
96	CSI_6_D0_N	K43
97	I2C_GP2_CLK_LVS	J61	3.3V
98	CSI_6_D0_P	K44
99	I2C_GP2_DAT_LVS	K61	3.3V
100	GND

J29 - USB 2.0

Pin	Description	Socket pin	Note
1	5V
2	D-		Parallel to J17
3	D+		Parallel to J17
4	GND

J31 - POWER OUT

JST-GH 1.25 m

Pin	Description	Socket pin	Note
1	PWR		DC IN
2	PWR		DC IN
3	12V
4	12V
5	12V
6	GND
7	GND
8	GND

J32 – USB(3)

JST-GH 1.25 m

Pin	Description	Socket pin	Note
1	5V
2	D-		connected to USB 2.0 hub using USB2_D_N Socket pin A11
3	D+		connected to USB 2.0 hub using USB2_D_P Socket pin A10
4	GND

J33 – USB(2)

JST-GH 1.25 m

Pin	Description	Socket pin	Note
1	5V
2	D-		connected to USB 2.0 hub using USB2_D_N Socket pin A11
3	D+		connected to USB 2.0 hub using USB2_D_P Socket pin A10
4	GND

J34 – USB(1)

JST-GH 1.25 m

Pin	Description	Socket pin	Note
1	5V
2	D-		connected to USB 2.0 hub using USB2_D_N Socket pin A11
3	D+		connected to USB 2.0 hub using USB2_D_P Socket pin A10
4	GND

J35 - POWER OUT

Pin	Description	Socket pin	Note
1	5V
2	5V
3	GND
4	GND

J36 - I2S2

JST-GH 1.25 m

Pin	Description	Socket pin	Note
1	1.8V
2	SDIN	F6
3	SDOUT	C7
4	FS	E4
5	CLK	G4
6	GND

RGB LED

Pin	Description	Socket pin	Note
LED-R	GPIO15_CAM1_PWDN	B8
LED-G	GPIO16_CAM1_RST	F10
LED-B	GPIO11_CODEC_INT	F9